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A211930 as a simple table

na(n)
10
20
32
40
52
69
70
80
923
1031
110
120
1327
14340
1580
160
170
1827
191685
202577
21171
220
230
2427
254151
2643607
2712616
28322
290
300
310
325809
33425384
34529891
3546582
36554
370
380
390
406093
412484024
4214087170
434014522
44141478
45891
460
470
480
496097
508826873
51249499909
52230476122

[0,0,2,0,2,9,0,0,23,31,0,0,27,340,80,0,0,27,1685,
 2577,171,0,0,27,4151,43607,12616,322,0,0,0,5809,
 425384,529891,46582,554,0,0,0,6093,2484024,
 14087170,4014522,141478,891,0,0,0,6097,8826873,
 249499909,230476122]